/*
 * Copyright (c) 2023. The BifroMQ Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *    http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and limitations under the License.
 */

package com.baidu.bifromq.mqtt.handler.v3;

import com.baidu.bifromq.basehlc.HLC;
import com.baidu.bifromq.type.Message;
import com.baidu.bifromq.type.QoS;
import com.google.protobuf.ByteString;
import io.netty.handler.codec.mqtt.MqttPublishMessage;
import io.netty.handler.codec.mqtt.MqttQoS;

public final class MQTT3MessageUtils {

    static Message toMessage(MqttPublishMessage pubMsg) {
        return toMessage(pubMsg.variableHeader().packetId(),
            pubMsg.fixedHeader().qosLevel(),
            pubMsg.fixedHeader().isRetain(),
            ByteString.copyFrom(pubMsg.payload().nioBuffer()));
    }

    static Message toMessage(long packetId,
                             MqttQoS pubQoS,
                             boolean isRetain,
                             ByteString payload) {
        return Message.newBuilder()
            .setMessageId(packetId)
            .setPubQoS(QoS.forNumber(pubQoS.value()))
            .setPayload(payload)
            .setTimestamp(HLC.INST.get())
            // MessageExpiryInterval
            .setExpiryInterval(Integer.MAX_VALUE)
            .setIsRetain(isRetain)
            .build();
    }
}
